Re: allowing multiple PQclear() calls

Marko Kreen <markokr@gmail.com>

From: Marko Kreen <markokr@gmail.com>
To: Josh Kupershmidt <schmiddy@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2012-12-11T10:39:42Z
Lists: pgsql-hackers
On Tue, Dec 11, 2012 at 6:59 AM, Josh Kupershmidt <schmiddy@gmail.com> wrote:
> Would it be crazy to add an "already_freed" flag to the pg_result
> struct which PQclear() would set, or some equivalent safety mechanism,
> to avoid this hassle for users?

Such mechanism already exist - you just need to set
your PGresult pointer to NULL after each PQclear().

Later you can safely call PQclear() again on that pointer.

-- 
marko